更新 '_posts/Java-JodaTime.md'

_posts/Java-JodaTime.md

@@ -2,4 +2,13 @@
 title:JodaTime常用方法
 date:2020-06-15
 cover:https://static.jqwei.com/blog/img/text/6.png
----
+---
+
+### 取整点的方法
+``` java
+DateTime now = new DateTime(); // 2016-02-26T16:51:28.749+08:00
+now.dayOfWeek().roundCeilingCopy(); // 2016-02-27T00:00:00.000+08:00
+now.dayOfWeek().roundFloorCopy(); // 2016-02-26T00:00:00.000+08:00
+now.minuteOfDay().roundFloorCopy(); // 2016-02-26T16:51:00.000+08:00
+now.secondOfMinute().roundFloorCopy(); // 2016-02-26T16:51:28.000+08:00
+```